US2523137A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic molding machine
Assignee: Motors Liquidation Co
•
Filing: 1946-08-22
•
Granted: 1950-09-19
•
Expires: 1966-08-22
Abstract
No abstract record available.
Inventors
- 👤 Charles A Nichols
- 👤 Russell B Bower
- 👤 James R Edwards
- 👤 William A Fletcher
- 👤 Harold W Mccoy
- 👤 Basil S Sample
- 👤 George L Weiser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:17
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/03; B29C45/04; B29C45/06; B29C45/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US859640A
Cited
FR851723A
Cited
US2249964A
Cited
US2330545A
Cited
US2359013A
Cited
US2351774A
Cited
US2333056A
Cited
US2333059A
Cited
US2420405A
Cited
US2410909A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |